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math.OC2025
Optimal Multi-Mode Propulsion Mission Design Using Direct Collocation
George V. Haman, Anil V. Rao
The problem of minimizing the transfer time between periodic orbits in the Earth-Moon elliptic restricted three-body problem using a multi-mode propulsion system is considered. By…
math.OC2024
Adaptive Mesh Refinement and Error Estimation Method for Optimal Control Using Direct Collocation
George V. Haman, Anil V. Rao
An adaptive mesh refinement and error estimation method for numerically solving optimal control problems is developed using Legendre-Gauss-Radau direct collocation. In regions of t…